import { ActionsObservable, StateObservable } from 'redux-observable';
import { Observable } from 'rxjs';
import { RootState } from '../../../rootStateTypes';
import { fetchInvoicingConfig } from '../invoicingConfigView/invoicingConfigViewReducer';
import { fetchInvoicingCouponDetail, fetchInvoicingCouponDetailPage } from './editInvoicingCouponDetailViewReducer';
export type ActionType = ReturnType<typeof fetchInvoicingCouponDetailPage> | ReturnType<typeof fetchInvoicingCouponDetail> | ReturnType<typeof fetchInvoicingConfig>;
/**
 * Orchestrates the discount detail page: one action fans out to the coupon
 * record and the invoicing config behind its dropdowns and field help, each
 * skipped when already cached. The page reads a single reduced fetch state off
 * the view, so the form mounts once with real values.
 */
export declare const fetchInvoicingCouponDetailPageEpic: (actions$: ActionsObservable<ActionType>, state$: StateObservable<RootState>) => Observable<ActionType>;